Question about Maytag MMV4205 Microwave Oven

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Microwaver not heating,my # is mmv4205ba - Maytag MMV4205 Microwave Oven

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  • 43,501 Answers

Hi,


Here is a tip that will help you to figure out what is wrong with your Microwave Oven....

Basic
Microwave Oven Troubleshooting Tips

heatman101


,./././././././././././././././././././

Posted on Feb 22, 2011

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Everything working but no heat


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Nov 28, 2015 | Electrolux E30SO75FPS 1000 Watts Microwave...

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Runs but does not heat the food.


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Nov 18, 2015 | Microwave Ovens

1 Answer

Mmv4205ba


You probably fried the magnetron.Unless you have a really high dollar microwave,you're probably better off replacing it.

Aug 24, 2014 | Maytag Microwave Ovens

1 Answer

I have a Maytag mmv4205ba microwave. I turned it on, and it ran for about 2 seconds, then made a surging sound, and died. I replaced the fuses today, and the power came back. But when I tested it, it...


It may be a shorting high voltage capacitor, but may also be a bad magnetron or high voltage transformer.
Here are some links you
or someone you know can use for test help, but read their safety
warnings first:


http://www.microtechfactoryservice.com/diode.html

(if it\'s not shorted or burned, it\'s
probably okay)


http://www.microtechfactoryservice.com/cap_test.html
http://www.microtechfactoryservice.com/mag_test.html
http://www.microtechfactoryservice.com/xformer.html


You can find
helpful exploded view diagrams and order parts by entering your full
model number from the tag on the oven
here.

We\'re

happy
to help you with free advice and we\'d appreciate your thoughtful rating
of our answer.

Oct 07, 2011 | Maytag MMV4205 Microwave Oven

1 Answer

May microwave Oven Model MMV4205BA won't heet


Hi,
Here is a tip that will help you to figure out what is wrong with yourMicrowave Oven....

Microwave Oven Basic Troubleshooting Tips

heatman101

Aug 10, 2011 | Maytag Microwave Ovens

1 Answer

How can I view installation Instructions on a Maytag over the range microwave MMV4205BA


It depends on your full model number:
You can find helpful exploded view diagrams and order parts and accessories by entering your full model number here.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Dec 17, 2010 | Maytag Microwave Ovens

1 Answer

Where is the fuse in the mmv4205ba


The fuse on this model is located on a small filter circuit board, which should be located just behind the grille.

But if the fuse is good, you may have a failed oven cavity thermostat or magnetron thermostat.
There should be a "mini-manual" (tech sheet) hidden inside the unit
behind the control panel or hidden on the left side behind the grille, which is
very helpful when troubleshooting, testing, and locating components.


Also at our Web site, we have a video available showing how to remove a typical
over the range grille and control panel assembly in under 5 minutes.


You can also find links to helpful exploded view diagrams and part ordering help here.

I recommend that you bookmark that link to your favorites.Accessing some components (especially the oven cavity thermostat) for testing and possible replacement will require you to remove the oven from the wall and take off the outer cover.

If so, the installation instructions are very handy, and it's best to have two people since the microwave can be heavy and awkward.

You can download Maytag owner's manuals and installation instructions here.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Aug 18, 2010 | Maytag MMV4205 Microwave Oven

1 Answer

Maytag Over-the-range microwave runs but does not heat Model MMV4205BA. Light works, turntable works, timer works. But no heat


Please remove the cover and check the door safety interlock switches. Check with a contunity checker or a volt ohm meter.

What happens is thjis: when the oven is running ane you open the door, the tiny contacts in these little swirtches arc and burn. Eventually, the switches fail. When this happens, the oven doesn't know the door is closed. When The door is open, the oven will not turn on the magnatron. No magnatron, no heat.

It could be the start capacitor, but not likely compared to the switches. Dont try to service the capacitor unless and until you understand the danger.

Thanks for posting your question at FixYa.com - please vote.

Thanks

a

Nov 14, 2009 | Microwave Ovens

1 Answer

Maytag MMV4205BA microwave buzz/grind when operating then no power


you may have some arching inside where your magnatron is located.If you open the door on the right middle part there is a silverplate on the wall .If it is burned you may need to replace magnatron.if you do not seee burn marks it may still be the magnatron hope.that would be the only possible thing that would make the noise other then the mtor plate out of place.

May 15, 2009 | Maytag MMV4205 Microwave Oven

1 Answer

Maytag MMV4205BA internal fan quits


As promised, here is your solution information:

You can download Maytag owner's manuals, installation instructions, and parts lists here.

You can find the service manual (which may not have a parts list) by selecting Literature by Model on this page and entering your exact model number with suffix. (Also try it without suffix if you have trouble).

There should also be a "mini-manual" hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting & testing.

You need all three of those documents in some cases.

Finally, you can find helpful exploded view diagrams and order parts by entering your full model number here.

At our site, we now have a video available showing how to remove a typical control panel assembly in under 5 minutes.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

William E. Miller
prototech@usa.net
http://www.microwavedisplay.com

Aug 28, 2008 | Maytag MMV4205 Microwave Oven

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